Solution-processable colloidal scintillators are emerging as a promising alternative to traditional bulky scintillators, addressing critical limitations in X-ray imaging technologies. Existing X-ray screens fabricated with colloidal powders in polymer matrices suffer from low spatial resolution at elevated particle concentrations due to severe optical losses induced by nanoparticle aggregation, fundamentally constraining high-resolution imaging capabilities. To resolve these challenges, we developed a novel class of bright, transparent colloidal glasses achieving 100% particle loading through self-assembly of sub-5 nm lanthanide-doped CaMoO nanocrystals.
View Article and Find Full Text PDFObjective: The risk factors for and molecular mechanisms of systemic metastasis of cerebral glioblastoma (GBM) remain to be evaluated.
Patients And Methods: Literature about adult GBM patients with systemic metastasis published before December 31, 2022, was searched in "PubMed" and "Web of Science," and the patient's clinical data were collected and compared with those of patients without metastasis to evaluate the risk factors. The molecular pathology results were summarized to evaluate the mechanism.
Ischemic stroke is a common type of stroke that significantly affects human well-being and quality of life. In order to further characterize the pathophysiology of ischemic stroke and develop new treatment strategies, ischemic stroke models with controllable and consistent response to potential clinical treatments are urgently needed. The middle cerebral artery occlusion (MCAO) model is currently the most widely used animal model of ischemic stroke.
View Article and Find Full Text PDFBackground: Previous studies on the management of chronic subdural hematoma (cSDH) mainly focused on the risk of postoperative recurrence and measures to prevent it. In this study, we propose the use of a non-invasive postoperative treatment method, the modified Valsalva maneuver (MVM), as a means of reducing the recurrence of cSDH. This study aims to clarify the effects of MVM on functional outcomes and recurrence rates.
View Article and Find Full Text PDFPurpose: A molecular pathological grading method was tested in WHO grade 2 meningiomas to judge whether this molecular grading can more accurately evaluate meningioma biological behaviour.
Methods: The medical records and paraffin-embedded tissues of surgically resected WHO grade 2 meningioma patients in our department from January 1, 2010, to December 31, 2020, were collected. The molecular pathological risk grading suggested by Sahm et al.
Background: Long-term regimens are widely used for multidrug-resistant tuberculosis (MDR-TB) in North-West China; however, risk factors associated with the treatment outcomes are not well known.
Methods: This was a retrospective cohort study of MDR-TB patients treated with longer regimen in Xi'an from 2017 to 2019. Risk factors associated with the treatment outcome were analyzed using multiple logistic regression.
Front Cardiovasc Med
August 2021
Although sporadic studies have shown that myoglobin may have better prognostic performance than other cardiac markers in COVID-19, a comprehensive comparative study is lacking. Herein, we retrospectively analyzed the clinical and laboratory data of COVID-19 patients admitted to the Guanggu Campus of Wuhan Tongji Hospital from February 9, 2020 to March 30, 2020, intending to compare the prognostic accuracy of three commonly used cardiac markers on COVID-19 mortality. Our results revealed that abnormal increases in myocardial biomarkers were associated with a significantly increased risk of in-hospital mortality with COVID-19.
View Article and Find Full Text PDFTo evaluate the surgical effect on survival in patients with incidental low-grade glioma (LGG) through comparison between asymptomatic and symptomatic patients. The medical records of surgically treated adult cerebral incidental LGG (iLGG) patients in our department between January 2008 and December 2015 were retrospectively reviewed. The survival of patients was calculated starting from the initial imaging diagnosis.
View Article and Find Full Text PDFFront Cardiovasc Med
January 2021
The aim is to explore the relation between inflammation-associated factors and in-hospital mortality and investigate which factor is an independent predictor of in-hospital death in patients with coronavirus disease-2019. This study included patients with coronavirus disease-2019, who were hospitalized between February 9, 2020, and March 30, 2020. Univariate Cox regression analysis and least absolute shrinkage and selection operator regression (LASSO) were used to select variables.
View Article and Find Full Text PDFIncreasing evidence has suggested a close relationship between solitary fibrous tumors (SFTs) and hemangiopericytomas (HPCs) in the central nervous system (CNS). However, CNS SFTs differentiate from HPCs in their clinical behavior and patient prognoses. Analyses of prognosis-related factors can help clarify the relationship between SFT and HPC.
View Article and Find Full Text PDFLabel-retaining cells, which are characterized by dormancy or slow cycling, may be identified in a number of human normal and cancer tissues, and these cells demonstrate stem cell potential. In glioblastoma, label-retaining assays to enrich glioma stem cells remain to be fully investigated. In the present study, glioblastoma sphere cells cultured in serum-free medium were initially stained with the cell membrane fluorescent marker DiI.
View Article and Find Full Text PDFJ Neurol Surg A Cent Eur Neurosurg
September 2015
Background: The treatment strategy for patients with an asymptomatic meningioma is still controversial. Key to an optimal decision is a careful evaluation of the growth possibilities of the meningioma by taking the patient's clinicoradiologic factors into consideration. However, previous studies have disagreed about the risk factors relating to tumor growth.
View Article and Find Full Text PDFSurgery performed during the asymptomatic phase of meningioma remains controversial. The effects of surgery and the factors associated with postsurgical complications and patient prognosis were studied to optimize surgical decisions for clinicians who treat asymptomatic patients. The medical records of 513 patients with meningiomas (112 patients were asymptomatic) treated at our hospital from May 2007 to April 2012 were retrospectively reviewed.
View Article and Find Full Text PDFGlioblastoma multiforme is an aggressive brain tumor with a poor prognosis. The glioblastoma stem-like cells (GSCs) represent a rare fraction of human glioblastoma cells with the capacity for multi-lineage differentiation, self-renewal and exact recapitulation of the original tumor. Interestingly, GSCs are more radioresistant compared with other tumor cells.
View Article and Find Full Text PDFThe biological significance of CD133 in glioblastoma is controversial. Above all, there is disagreement concerning the proper approach, the appropriate (cell) model and the suitable microenvironment to study this molecule, often leading to inconsistent experimental results among studies. In consideration of a primary need to dissect and to understand the CD133 phenotype in glioblastoma we performed a comprehensive analysis of CD133 expression and regulation in a large set of glioblastoma cell lines (n = 20) as well as in tumor xenografts.
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